What are the Best Knives for Cutting Drywall?

When faced with a demanding task like cutting drywall, the last thing you want is a subpar knife that adds to your frustrations rather than easing your workload. Moreover, using a low-quality knife on drywall can be a laborious endeavor. This not only slows down the cutting process but also leaves you fatigued and less focused, increasing the likelihood of mistakes or accidents.

Recognizing these common challenges, it is vital to identify the best knives specifically engineered for cutting drywall. This article provides selection criteria that prioritize superior craftsmanship, exceptional performance, and the ability to deliver clean, precise cuts effortlessly. We’ve sifted through the market to find the knives that excel in every aspect, ensuring a seamless cutting experience and saving you valuable time and energy.

Whether you’re a professional contractor seeking a reliable companion for large-scale projects or a DIY enthusiast working on a personal home improvement task, investing in a top-notch drywall cutting knife is a wise decision. By choosing a knife that is specifically designed for this purpose, you can eliminate the frustrations associated with inferior tools and elevate your cutting experience to a whole new level.

Techniques and Tools for Seamless Installations

Seamless Drywall Installation

Before delving into the world of knives for cutting drywall, it’s important to emphasize the significance of careful planning and preparation in any drywall project.

  1. Purchasing the appropriate drywall panels – taking the time to measure and purchase the appropriate drywall panels can significantly minimize the amount of cutting required. By opting for the correct panel sizes, you can avoid unnecessary and time-consuming cuts, ensuring a smoother and more efficient installation process. Whenever possible, aim to utilize full sheets of drywall to reduce the need for additional cuts and seam work.
  2. Select a straight cut – When it comes to the actual cutting process, the most common and fundamental cut in drywall installation is the straight cut. This cut allows you to create clean and precise lines, ensuring a seamless fit between panels. The tool of choice for executing this cut is often a trusty utility knife. With its versatile blade and ease of use, a well-designed utility knife becomes an invaluable companion for any drywall project.
  3. Prioritize safety measures – By mastering the art of the straight cut with a reliable utility knife, you’ll be well on your way to achieving professional-looking drywall installations. Remember to prioritize safety throughout the cutting process by using proper protective gear, such as gloves and safety goggles, and keeping your work area clear and organized.

Best Knives for Cutting Drywall:

1. Drywall Taping Knife

A drywall taping knife, also referred to as a putty knife or joint knife, serves multiple purposes in the process of working with drywall. Its primary function is spreading jointing compound and applying paper or fiberglass drywall tape to cover joints in plasterboard. The knife features a soft grip handle with a thumb rest, offering comfort and control during use. Equipped with a flexible blue steel tapered shaped blade, it assists in smoothly running the knife in corners, ensuring precise application. 

Additionally, this versatile tool proves useful for tasks such as covering nail and screw indents, patching holes, and smoothing wall-coverings. Available in two widths of 200 or 300mm, the drywall taping knife is an indispensable instrument for achieving professional and seamless results in drywall installation and repair projects.

2. Utility Knife or Razor

A utility knife is a versatile tool that you should have in your toolbox or drawer at home. It features a removable razor blade that is both sharp and disposable. This type of knife is perfect for handling tough cutting jobs that are too difficult for scissors and may dull or damage other types of knives. 

When searching for the best utility knife for cutting drywall, it is important to consider specific features such as size, durability, and budget. 


Look for a utility knife with an ideal size for cutting drywall effectively. A knife with a slim nose allows for precise scoring and maneuverability, enabling smooth movement when working in corners and tight spaces. Ensure the knife’s size is suitable for your needs and provides ease of use during the cutting process.


Select a utility knife known for its durability, as cutting drywall can be demanding on the tool. Look for knives with sturdy construction, including a strong blade and handle. A robust design ensures that the knife can withstand the repetitive tasks involved in cutting drywall without wearing down quickly or losing its effectiveness.


Consider your budget while choosing a utility knife for cutting drywall. There are various options available at different price points, so it’s important to find a balance between cost and quality. Look for knives that offer good value for the features they provide, ensuring they meet your requirements without exceeding your budget.

Super Sharp Blade or Replaceable Blades

Look for a utility knife with a super sharp blade or one that allows for easy blade replacement. A sharp blade ensures clean and efficient cuts through drywall, minimizing the risk of tearing or damaging the material. Additionally, having replaceable blades allows you to maintain optimal sharpness throughout your project, ensuring consistent cutting performance.

Ergonomic Handle with Rubberized Grips

An ergonomic handle design is crucial for comfort and control during prolonged use. Look for utility knives with rubberized grips, as they provide a secure and comfortable hold. These grips reduce hand fatigue and enhance precision while cutting. Comfortable handles are particularly important when working on large or complex drywall projects.

Safe Storage Mechanism

It is essential to have a way to safely store the knife when not in use. Consider utility knives with retractable blades or folding mechanisms. A retractable blade can be easily retracted into the handle, protecting both the user and the blade when not in use. Folding knives offer the advantage of compactness, allowing for safe storage in a toolbox or pocket.

Sharp Tip

A utility knife with a sharp tip is beneficial for piercing or scoring drywall before making cuts. The sharp tip allows for precise entry into the material, enabling controlled and accurate cuts. This feature is particularly useful when creating cutouts for electrical boxes, plumbing pipes, or other specific shapes in the drywall.

Steps for Achieving a Straight Cut on the Drywall

After acquiring a suitable utility knife, it is crucial to master the technique of achieving precise cuts on drywall. The following steps outline the process of achieving a straight cut:

Step 1: Begin by marking the desired cutting line on the drywall using a pencil or a straight edge. Ensure that your markings are accurate and aligned with the intended measurements. 

Step 2: Place a sturdy straight edge, such as a T-square or a metal ruler, along the marked line. This straight edge will serve as a guide for your utility knife, allowing for consistent and precise cutting.

Step 3: Hold the utility knife firmly, ensuring that the blade is fully extended. With controlled and steady pressure, score the drywall along the marked line by running the knife blade against the straight edge. It’s important to emphasize scoring the drywall rather than attempting to cut through it completely at this stage. Multiple passes may be required to create a deep enough score line, particularly for thicker drywall panels.

Step 4: Once you have achieved a well-defined score line, you can proceed to complete the straight cut. Place one hand on each side of the scored line, exerting gentle pressure to snap the drywall along the cut. The scored line serves as a guide for the drywall to break cleanly, resulting in a precise and smooth cut. If necessary, use the utility knife to trim any uneven edges or minor imperfections for a seamless fit.


When working on your drywall project, prioritize safety by wearing appropriate protective gear, including gloves and safety goggles, to safeguard against potential hazards like dust or flying debris. Additionally, maintain a clean and organized work area throughout the cutting process to prevent accidents and ensure smoother and more efficient cuts. By following these steps and utilizing a high-quality utility knife with the aforementioned features, you can confidently achieve clean, precise, and professional-looking cuts on drywall. Remember to exercise patience, take accurate measurements, and mark your cuts before proceeding. With the right tools and techniques, you’ll be able to tackle your drywall projects with ease and achieve excellent results.